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[z.facultad/66.09/etherled.git] / cliente / etherled / protocol.py

diff --git a/cliente/etherled/protocol.py b/cliente/etherled/protocol.py
index 63c537d50d1057411f8e2328a016c1f07dfa44e5..e8a170385e91ab0eb9f02431fca48cf4c187fdb9 100644 (file)
--- a/cliente/etherled/protocol.py
+++ b/cliente/etherled/protocol.py
@@ -1,5 +1,5 @@
 #!/usr/bin/env python
-# -*- coding: iso-8859-1 -*-
+# -*- coding: utf-8 -*-
 # vim: set expandtab tabstop=4 shiftwidth=4 :
 #----------------------------------------------------------------------------
 #                               Etherled
@@ -20,7 +20,7 @@
 # with etherled; if not, write to the Free Software Foundation, Inc., 59
 # Temple Place, Suite 330, Boston, MA  02111-1307  USA
 #----------------------------------------------------------------------------
-# Creado:  sáb oct 29 00:45:52 ART 2005
+# Creado:  sáb oct 29 00:45:52 ART 2005
 # Autores: Leandro Lucarella <llucare@fi.uba.ar>
 #----------------------------------------------------------------------------
 
@@ -29,7 +29,7 @@ import packet
 
 __all__ = ('SendError', 'RecvError', 'Client', 'NetworkedDevice', 'DummyServer')
 
-# Tamaño del buffer
+# Tamaño del buffer
 _BUFSIZ = 65536
 
 # Cantidad de bytes de la columna de leds
@@ -43,7 +43,7 @@ class RecvError(socket.error):
 
 class Client(object):
 
-    def __init__(self, host='localhost', port=38437, timeout=3.0):
+    def __init__(self, host='localhost', port=9876, timeout=3.0):
         self._host = host
         self._port = port
         self._sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
@@ -59,7 +59,7 @@ class Client(object):
         except socket.timeout:
             raise SendError, "Tiempo de espera agotado"
         if sent != len(pkt):
-            raise SendError, "Sólo se enviaron %d bytes de %d" \
+            raise SendError, "Sólo se enviaron %d bytes de %d" \
                 % (sent, len(pkt))
         while True:
             try:
@@ -67,6 +67,7 @@ class Client(object):
             except socket.timeout:
                 raise RecvError, "Tiempo de espera agotado"
             pkt_r = packet.ClientPacket(msg)
+            # Verifica ACK
             if pkt == pkt_r:
                 break # paquete ok
             self._drop += 1
@@ -75,12 +76,12 @@ class Client(object):
     def get(self, var):
         return self.send(packet.TYPE_GET, var)
 
-    def set(self, var, data):
+    def set(self, var, data=None):
         self.send(packet.TYPE_SET, var, data)
 
     def _getId(self, type, var):
         id = self._ids.get((type, var), 0)
-        self._ids[type, var] = (id + 1) % packet.MAX_ID
+        self._ids[type, var] = (id + 1) % (packet.MAX_ID + 1)
         return id
 
     def _getHost(self):
@@ -102,6 +103,9 @@ class Client(object):
 
 class NetworkedDevice(Client):
 
+    def turn_off(self):
+        self.set(packet.VAR_OFF)
+
     def _getMatrix(self):
         stream = self.get(packet.VAR_MATRIX)
         return _stream2Matrix(stream)
@@ -110,11 +114,27 @@ class NetworkedDevice(Client):
         stream = _matrix2Stream(matrix)
         self.set(packet.VAR_MATRIX, stream)
 
+    def _getPaused(self):
+        return bool(ord(self.get(packet.VAR_PAUSE)))
+
+    def _setPaused(self, paused):
+        self.set(packet.VAR_PAUSE, chr(paused))
+
+    def _getDelay(self):
+        return ord(self.get(packet.VAR_DELAY))
+
+    def _setDelay(self, delay):
+        self.set(packet.VAR_DELAY, chr(delay & 0xFF))
+
     matrix = property(_getMatrix, _setMatrix, doc='Matriz de leds')
+    paused = property(_getPaused, _setPaused,
+                      doc='Indica si el dispositivo está en pausa')
+    delay  = property(_getDelay, _setDelay,
+                      doc='Timpo de retardo del dibujado')
 
 class DummyServer:
 
-    def __init__(self, host='localhost', port=38437, timeout=3.0):
+    def __init__(self, host='localhost', port=9876, timeout=3.0):
         self._host = host
         self._port = port
         self._sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
@@ -136,7 +156,7 @@ class DummyServer:
                 pkt = packet.ServerPacket(pkt.type, pkt.var, pkt.id)
             sent = self._sock.sendto(str(pkt), addr)
             if sent != len(pkt):
-                raise SendError, "Sólo se enviaron %d bytes de %d" \
+                raise SendError, "Sólo se enviaron %d bytes de %d" \
                     % (sent, len(packet))
             print 'Enviado:', repr(pkt)
             if pkt.type == packet.TYPE_GET and pkt.var == packet.VAR_MATRIX:
@@ -156,26 +176,24 @@ class DummyServer:
     addr = property(_getAddr, doc='Tupla (host, port)')
 
 def _stream2Matrix(stream):
-    cols = ord(stream[0]) # Obtiene tamaño
+    cols = ord(stream[0]) # Obtiene tamaño
     stream = stream[1:1+cols*_LED_BYTES] # me quedo con el resto
     matrix = {}
-    for col in xrange(cols-1, -1, -1):
+    for col in xrange(cols):
         for row_byte in xrange(_LED_BYTES):
-            byte = ord(stream[(cols-col-1)*_LED_BYTES+row_byte])
+            byte = ord(stream[col*_LED_BYTES+_LED_BYTES-row_byte-1])
             for i in xrange(8):
-                shift = 8 - i - 1
-                matrix[row_byte*8+i,col] = (byte >> shift) & 1
+                matrix[row_byte*8+i,col] = (byte >> i) & 1
     return matrix
 
 def _matrix2Stream(matrix):
     cols = len(matrix) / (_LED_BYTES*8)
-    stream = chr(cols) # primero va el tamaño
-    for col in xrange(cols-1, -1, -1):
-        for i in xrange(_LED_BYTES):
+    stream = chr(cols) # primero va el tamaño
+    for col in xrange(cols):
+        for i in xrange(_LED_BYTES-1, -1, -1):
             byte = 0
-            for row in xrange(8):
-                shift = 8 - row - 1
-                byte += matrix[row+i*8,col] << shift
+            for row in xrange(7, -1, -1):
+                byte += matrix[row+i*8,col] << row
             stream += chr(byte)
     return stream
 
@@ -271,6 +289,15 @@ if __name__ == '__main__':
         _print_matrix(dev.matrix)
         # Verifico resultado
         assert matrix == dev.matrix
+        # Probamos con otras cositas
+        dev.paused = True
+        assert dev.paused == True
+        dev.paused = False
+        assert dev.paused == False
+        dev.delay = 0x40
+        assert dev.delay == 0x40
+        dev.delay = 0xff
+        assert dev.delay == 0xff
         # Matamos al servidor
         os.kill(pid, 15)
     else: